def test_intranode_partial_unsub(self):
node = helper.make_dsenode_new_partition('testnode')
test1 = FakeDataSource('test1')
test2 = FakeDataSource('test2')
node.register_service(test1)
node.register_service(test2)
test1.subscribe('test2', 'p')
test1.subscribe('test2', 'q')
test1.unsubscribe('test2', 'q') # unsub from q should not affect p
helper.retry_check_function_return_value(
lambda: hasattr(test1, 'last_msg'), True)
test2.publish('p', 42)
helper.retry_check_function_return_value(
lambda: test1.last_msg['data'], 42)
self.assertFalse(hasattr(test2, "last_msg"))